\n"; // if the string is an actual directory, proceed if ($dh = opendir($d)) { while (($file = readdir($dh)) !== false) { if (substr($file,0,1) !== '.') { $size = round((filesize($sub_dir.$file)/1048576),1); if ($size < 1) { $size = round((filesize($sub_dir.$file)/1024)) . ' KB'; } else { $size .= ' MB'; } $html .= '
  • ' . $file . ' ('.$size.")
  • \n"; } } closedir($dh); } // if no files were found, give our default message if (!strstr($html,'
  • ')) { $html .= '
  • ' . _NO_FILES_ . "
  • \n"; } $html .= "\n"; return $html; } ?> Physics 500D - Gold/Elliott

    Physics 500D – Gold/Elliott

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    Lectures